Technical Information
| HTTP Status Code | 200 |
| HTTP Version | HTTP/1.1 |
| HTTPS | ✔ Available |
| IP Address | 188.114.96.2 |
| Server Software | cloudflare |
| CDN | Cloudflare |
| Compression | gzip |
|
🔒 🟡 Mixed Content (2 HTTP resources) | The page is served over HTTPS but loads 2 resource(s) over HTTP. This may be blocked in modern browsers. |
|
ℹ 🔵 Missing HSTS | HTTP Strict Transport Security is not configured. Recommended for HTTPS sites. |
|
ℹ 🔵 Missing Content Security Policy | CSP is not configured. It helps prevent XSS attacks and content injection. |
|
ℹ 🔵 Missing X-Frame-Options | The site can be embedded in iframes by third parties (clickjacking risk). |
HTTP Status Code 200
HTTP Version HTTP/1.1
HTTPS ✔ Available
IP Address 188.114.96.2
Server Software cloudflare
CDN Cloudflare
Compression gzip
🔒 🟡 Mixed Content (2 HTTP resources) The page is served over HTTPS but loads 2 resource(s) over HTTP. This may be blocked in modern browsers.
ℹ 🔵 Missing HSTS HTTP Strict Transport Security is not configured. Recommended for HTTPS sites.
ℹ 🔵 Missing Content Security Policy CSP is not configured. It helps prevent XSS attacks and content injection.
ℹ 🔵 Missing X-Frame-Options The site can be embedded in iframes by third parties (clickjacking risk).
Performance
| DNS Lookup | 21.7 ms |
| TCP Connect | 23.6 ms |
| TLS Handshake | 6.9 ms |
| Time To First Byte (TTFB) | 367.6 ms |
| Content Download | 161.5 ms |
| Total Response Time | 529.2 ms |
DNS Lookup 21.7 ms
TCP Connect 23.6 ms
TLS Handshake 6.9 ms
Time To First Byte (TTFB) 367.6 ms
Content Download 161.5 ms
Total Response Time 529.2 ms
Security
| HTTPS | ✔ Enabled |
| HSTS | ✘ Not configured |
| CSP | ⚠ Not configured |
| X-Frame-Options | ⚠ Not configured |
| X-Content-Type-Options | ⚠ Not configured |
| Referrer Policy | same-origin |
| HTTP/2 | ⚠ HTTP/1.1 |
HTTPS ✔ Enabled
HSTS ✘ Not configured
CSP ⚠ Not configured
X-Frame-Options ⚠ Not configured
X-Content-Type-Options ⚠ Not configured
Referrer Policy same-origin
HTTP/2 ⚠ HTTP/1.1
SEO Quick Check
| Title | SF Tennis Community | San Francisco - Bay Area Tennis League |
| Meta Description | The San Francisco & No. Peninsula Tennis League. We connect you with dedicated tennis partners on the courts. |
| Canonical | https://tennissf.com/ |
Title SF Tennis Community | San Francisco - Bay Area Tennis League
Meta Description The San Francisco & No. Peninsula Tennis League. We connect you with dedicated tennis partners on the courts.
Canonical https://tennissf.com/
Detected Technologies
| Technology | Bootstrap jQuery Google Analytics Google Tag Manager Cloudflare |
Technology Bootstrap jQuery Google Analytics Google Tag Manager Cloudflare
HTTP Headers
| Date
| Fri, 24 Jul 2026 07:21:14 GMT |
| Content-type
| text/html; charset=utf-8 |
| Cache-control
| max-age=0, private, must-revalidate |
| Link
| ; rel=preload; as=script; nopush |
| Nel
| {"report_to":"heroku-nel","response_headers":["Via"],"max_age":3600,"success_fraction":0.01,"failure_fraction":0.1} |
| Referrer-policy
| same-origin |
| Report-to
| {"group":"heroku-nel","endpoints":[{"url":"https://nel.heroku.com/reports?s=rMeWNjRpVf%2FFMqGY76mNaS2uOYue0K6GMvBvXPeLQMo%3D\u0026sid=1b10b0ff-8a76-4548-befa-353fc6c6c045\u0026ts=1784877674"}],"max_age":3600} |
| Reporting-endpoints
| heroku-nel="https://nel.heroku.com/reports?s=rMeWNjRpVf%2FFMqGY76mNaS2uOYue0K6GMvBvXPeLQMo%3D&sid=1b10b0ff-8a76-4548-befa-353fc6c6c045&ts=1784877674" |
| Server
| cloudflare |
| Set-cookie
| _tennisleaguenetwork_upgrade_session=nZhyFYsYC48O3qMd6hDYuCVl6ppdkjx5Mc%2Bg6XMNE4xsh9407JtgKVLHEQI55RitS8PoZVQVf6RKVlOxAhkYn7TzSolshsL89VX1hefH%2BT9t5HHkE06sPhwaIOInGRwCRtlZF0xCAS4R7%2Boa1tgUB42rl97k83Jh21uVrT3Zil2QIxPz6TO0nLsUWJR5KfWlZyf1AMHgUGQQmAwKjTfdSpGQ5Zo%2F3pPjO2IrnIxXGMetoy6pRHrGrFk1PfsJhP0R%2FVn2I34mUzMxFaJ8DVer7pE4qRPBuYZmVdBWcsUNdJIeYVtnUj9BX1BJyDOO9lP7W%2B5VTr1fy0fLtb5iCuI1GK0hoOj%2FiGgy--tKq%2FwzegHLgwMP%2Bm--1esVnFe2g4BVEOS0SdLwQg%3D%3D; path=/; httponly; samesite=lax |
| Via
| 1.1 heroku-router |
| X-request-id
| 46920677-bcca-1806-bc3c-1c31f27d6dba |
| X-runtime
| 0.147750 |
| Cf-cache-status
| DYNAMIC |
| Content-encoding
| gzip |
| Cf-ray
| a2012ab88f4ef3b3-CDG |
| Alt-svc
| h3=":443"; ma=86400 |
Meta Tags
| Viewport | width=device-width, initial-scale=1 |
| Referrer | strict-origin-when-cross-origin |
| Content-Type | text/html |
| Description | The San Francisco & No. Peninsula Tennis League. We connect you with dedicated tennis partners on the courts. |
| Keywords | bay area tennis, san francisco tennis, san francisco tennis club, sf tennis partner, tennis bay area, tennis san francisco, sf tennis league, sf tennis, best tennis league |
| Content-Language | en-us |
| Distribution | global |
| Revisit-after | 7 days |
| Rating | General |
| Copyright | www.TennisSF.com |
| MSSmartTagsPreventParsing | TRUE |
| Csrf-param | authenticity_token |
| Csrf-token | GWOZFSVFitS1AId0V5Gh9NNy6tsJvlx7n7yGuRazGqBM_FSDNHm9EMsU8F56aRsrQ0Ob7KML504-aZiyvu_ATw |
Date Fri, 24 Jul 2026 07:21:14 GMT
Content-type text/html; charset=utf-8
Cache-control max-age=0, private, must-revalidate
Link ; rel=preload; as=script; nopush
Nel {"report_to":"heroku-nel","response_headers":["Via"],"max_age":3600,"success_fraction":0.01,"failure_fraction":0.1}
Referrer-policy same-origin
Report-to {"group":"heroku-nel","endpoints":[{"url":"https://nel.heroku.com/reports?s=rMeWNjRpVf%2FFMqGY76mNaS2uOYue0K6GMvBvXPeLQMo%3D\u0026sid=1b10b0ff-8a76-4548-befa-353fc6c6c045\u0026ts=1784877674"}],"max_age":3600}
Reporting-endpoints heroku-nel="https://nel.heroku.com/reports?s=rMeWNjRpVf%2FFMqGY76mNaS2uOYue0K6GMvBvXPeLQMo%3D&sid=1b10b0ff-8a76-4548-befa-353fc6c6c045&ts=1784877674"
Server cloudflare
Set-cookie _tennisleaguenetwork_upgrade_session=nZhyFYsYC48O3qMd6hDYuCVl6ppdkjx5Mc%2Bg6XMNE4xsh9407JtgKVLHEQI55RitS8PoZVQVf6RKVlOxAhkYn7TzSolshsL89VX1hefH%2BT9t5HHkE06sPhwaIOInGRwCRtlZF0xCAS4R7%2Boa1tgUB42rl97k83Jh21uVrT3Zil2QIxPz6TO0nLsUWJR5KfWlZyf1AMHgUGQQmAwKjTfdSpGQ5Zo%2F3pPjO2IrnIxXGMetoy6pRHrGrFk1PfsJhP0R%2FVn2I34mUzMxFaJ8DVer7pE4qRPBuYZmVdBWcsUNdJIeYVtnUj9BX1BJyDOO9lP7W%2B5VTr1fy0fLtb5iCuI1GK0hoOj%2FiGgy--tKq%2FwzegHLgwMP%2Bm--1esVnFe2g4BVEOS0SdLwQg%3D%3D; path=/; httponly; samesite=lax
Via 1.1 heroku-router
X-request-id 46920677-bcca-1806-bc3c-1c31f27d6dba
X-runtime 0.147750
Cf-cache-status DYNAMIC
Content-encoding gzip
Cf-ray a2012ab88f4ef3b3-CDG
Alt-svc h3=":443"; ma=86400
